Share-Based Compensation-Expense Recognition (Details 4) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 27, 2015	Sep. 28, 2014	Sep. 27, 2015	Sep. 28, 2014
Employee Service Share-based Compensation, Allocation of Recognized Period Costs
Allocated Share-based Compensation Expense	$ 41,356	$ 50,195	$ 127,188	$ 114,674
Total tax benefit recognized	(10,517)	(14,122)	(32,987)	(31,931)
Decrease in net income	30,839	36,073	94,201	82,743
Stock options and SARs [Member]
Employee Service Share-based Compensation, Allocation of Recognized Period Costs
Allocated Share-based Compensation Expense	5,880	11,158	20,605	27,053
Restricted Stock Units (RSUs) [Member]
Employee Service Share-based Compensation, Allocation of Recognized Period Costs
Allocated Share-based Compensation Expense	32,386	35,540	97,082	78,995
Employee Stock Purchase Plan Shares [Member]
Employee Service Share-based Compensation, Allocation of Recognized Period Costs
Allocated Share-based Compensation Expense	3,090	3,497	9,501	8,626
Cost of revenue [Member]
Employee Service Share-based Compensation, Allocation of Recognized Period Costs
Allocated Share-based Compensation Expense	5,479	4,001	14,563	10,118
Research and Development [Member]
Employee Service Share-based Compensation, Allocation of Recognized Period Costs
Allocated Share-based Compensation Expense	20,600	21,469	63,952	54,644
Sales and marketing [Member]
Employee Service Share-based Compensation, Allocation of Recognized Period Costs
Allocated Share-based Compensation Expense	8,701	13,800	28,184	27,261
General and administrative [Member]
Employee Service Share-based Compensation, Allocation of Recognized Period Costs
Allocated Share-based Compensation Expense	$ 6,576	$ 10,925	$ 20,489	$ 22,651